/* var a = 0;
function i(){
	console.log('hello');
	a++;
	if(a==3){
		clearInterval(tz);
	}
}
var tz = setInterval(i,2000);
*/
var a = 0; 
var tz=setInterval(function i(){
	console.log('hello');
	a++;
	if (a == 3){
		clearInterval(tz);
	}
}, 2000);
